3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); class x { public $value; public function __construct($value) { $this->value = $value; } } $array = array(); for($i = 0; $i < 50000; $i++) { $array[] = md5('Hallo'); } $x = new x($array); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); unset($x); while(gc_collect_cycles() == 0) { } var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n";

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.2.00.0072.49423.32
7.1.70.0002.50121.11
7.1.60.0072.49521.03
7.1.50.0102.49120.85
7.1.00.0072.49326.24
7.0.200.0002.50120.78
7.0.140.0072.49325.95
7.0.60.0032.49724.67
7.0.50.0232.46322.69
7.0.40.0132.48721.17
7.0.30.0402.46021.01
7.0.20.0232.47721.26
7.0.10.0232.47721.21
7.0.00.0002.50021.28
5.6.280.0172.48330.78
5.6.210.0232.47730.40
5.6.200.0202.48027.86
5.6.190.0132.45729.91
5.6.180.0232.47730.05
5.6.170.0202.48030.10
5.6.160.0102.49030.12
5.6.150.0102.47727.84
5.6.140.0202.48027.86
5.6.130.0102.49027.83
5.6.120.0072.49330.66
5.6.110.0102.49030.71
5.6.100.0102.49030.67
5.6.90.0202.48030.67
5.6.80.0132.48729.98
5.6.70.0232.47730.23
5.5.350.0202.48030.16
5.5.340.0102.49027.67
5.5.330.0172.48329.89
5.5.320.0072.47729.87
5.5.310.0202.48029.83
5.5.300.0102.49027.69
5.5.290.0102.49027.59
5.5.280.0102.49030.50
5.5.270.0132.48730.54
5.5.260.0072.49330.43
5.5.250.0972.40330.32
5.5.240.0132.48730.07
5.4.450.0332.46329.05
5.4.440.0002.49729.04
5.4.430.0172.48028.80
5.4.420.0172.48029.04
5.4.410.0172.48328.92
5.4.400.3532.14328.68
5.4.390.3302.16728.71
5.4.380.0172.48028.95
5.4.370.0132.48328.69
5.4.360.0232.47328.72
5.4.350.0372.46028.72
5.4.340.0272.47028.62
5.4.320.0172.48028.71
5.4.310.0432.45328.71
5.4.300.0232.47328.73
5.4.290.0232.47328.73
5.4.280.0402.45728.81
5.4.270.3302.16728.77
5.4.260.0272.47028.51
5.4.250.0202.47728.85
5.4.240.0302.46728.72
5.4.230.0132.48328.85
5.4.220.0202.47728.94
5.4.210.0202.47728.75
5.4.200.0472.45028.57
5.4.190.0132.48328.58
5.4.180.0302.46728.94
5.4.170.0232.47328.70
5.4.160.0272.47028.73
5.4.150.3772.12328.63
5.4.140.3302.16726.01
5.4.130.3472.15026.06
5.4.120.0272.47025.94
5.4.110.0072.49025.97
5.4.100.0202.47725.94
5.4.90.0132.48326.13
5.4.80.0002.49725.93
5.4.70.0002.49726.12
5.4.60.0072.49025.95
5.4.50.0072.49326.23
5.4.40.0132.48326.07
5.4.30.0132.48326.09
5.4.20.0332.46325.95
5.4.10.0202.47726.05
5.4.00.4332.06325.43

preferences:
33.53 ms | 401 KiB | 5 Q